second-display

Turn spare devices into real extra displays for your Mac or Windows PC — iPad, iPhone, Android, Windows, Linux, even an old 5K iMac. Free, open-source Sidecar/Duet/spacedesk alternative. No subscriptions, no cloud, no accounts.

Free open-source iOS 12 iPad/iPhone second monitor for Mac. OpenDisplay-compatible client over USB/Lightning & Wi-Fi. Sidecar/Duet alternative for old devices.

Turn any iPad into a wireless monitor for your Mac. Stream an existing display or a virtual iPad-sized one over your local network using the built-in HEVC engine — nothing to install — or NDI, with private pairing, live display controls, and Capture One integration.

OpenDisplay fork for Mac to Android tablet display, Chinese UI, and iOS self-build support.

Turn an iPad Air 1st generation (A1474, MD785LL/B, iOS 12.5.8) into a wired Retina second display for macOS

Turn your iPad into a Sidecar display from the macOS command line — works headlessly, even when your Mac's screen is dead. Bind it to a keyboard shortcut.

Mirror of peetzweg/opendisplay - Turn your iPhone or iPad into a true second display for your Mac (open source)

fork of ipad-iphone-second-monitor-ios12-free. added AWDL connection feature to use an old iPad/iPhone as a Mac second display without a local network. great thanks to https://github.com/cuongpham1/ipad-iphone-second-monitor-ios12-free